skiagm::ImageFiltersScaledGM Class Reference

Inheritance diagram for skiagm::ImageFiltersScaledGM:

Public Member Functions
	ImageFiltersScaledGM ()
Public Member Functions inherited from skiagm::GM
	GM (SkColor backgroundColor=SK_ColorWHITE)
virtual	~GM ()
void	setMode (Mode mode)
Mode	getMode () const
DrawResult	gpuSetup (SkCanvas *, SkString *errorMsg, GraphiteTestContext *=nullptr)
void	gpuTeardown ()
void	onceBeforeDraw ()
DrawResult	draw (SkCanvas *canvas)
DrawResult	draw (SkCanvas *, SkString *errorMsg)
void	drawBackground (SkCanvas *)
DrawResult	drawContent (SkCanvas *canvas)
DrawResult	drawContent (SkCanvas *, SkString *errorMsg)
virtual bool	runAsBench () const
SkScalar	width ()
SkScalar	height ()
SkColor	getBGColor () const
void	setBGColor (SkColor)
void	drawSizeBounds (SkCanvas *, SkColor)
bool	animate (double)
virtual bool	onChar (SkUnichar)
bool	getControls (SkMetaData *controls)
void	setControls (const SkMetaData &controls)
virtual void	modifyGrContextOptions (GrContextOptions *)
virtual void	modifyGraphiteContextOptions (skgpu::graphite::ContextOptions *) const
virtual bool	isBazelOnly () const
virtual std::map< std::string, std::string >	getGoldKeys () const

Protected Member Functions
SkString	getName () const override
SkISize	getISize () override
void	onOnceBeforeDraw () override
void	onDraw (SkCanvas *canvas) override
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
virtual DrawResult	onDraw (SkCanvas *, SkString *errorMsg)
virtual bool	onAnimate (double)
virtual bool	onGetControls (SkMetaData *)
virtual void	onSetControls (const SkMetaData &)
GraphiteTestContext *	graphiteTestContext () const

Additional Inherited Members
Public Types inherited from skiagm::GM
enum	Mode { kGM_Mode , kSample_Mode , kBench_Mode }
using	DrawResult = skiagm::DrawResult
using	GraphiteTestContext = skiatest::graphite::GraphiteTestContext
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 57 of file imagefiltersscaled.cpp.

Constructor & Destructor Documentation

ImageFiltersScaledGM()

skiagm::ImageFiltersScaledGM::ImageFiltersScaledGM ( )

inline

Definition at line 59 of file imagefiltersscaled.cpp.

                           {
        this->setBGColor(0x00000000);
    }

Member Function Documentation

getISize()

SkISize skiagm::ImageFiltersScaledGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 66 of file imagefiltersscaled.cpp.

{ return SkISize::Make(1428, 500); }

getName()

SkString skiagm::ImageFiltersScaledGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 64 of file imagefiltersscaled.cpp.

{ return SkString("imagefiltersscaled"); }

onDraw()

void skiagm::ImageFiltersScaledGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 73 of file imagefiltersscaled.cpp.

                                           {
        canvas->clear(SK_ColorBLACK);
 
        sk_sp<SkImageFilter> gradient(SkImageFilters::Image(fGradientCircle,
                                                            SkFilterMode::kLinear));
        sk_sp<SkImageFilter> checkerboard(SkImageFilters::Image(fCheckerboard,
                                                                SkFilterMode::kLinear));
 
        SkPoint3 pointLocation = SkPoint3::Make(0, 0, SkIntToScalar(10));
        SkPoint3 spotLocation = SkPoint3::Make(SkIntToScalar(-10),
                                               SkIntToScalar(-10),
                                               SkIntToScalar(20));
        SkPoint3 spotTarget = SkPoint3::Make(SkIntToScalar(40), SkIntToScalar(40), 0);
        SkScalar spotExponent = SK_Scalar1;
        SkScalar cutoffAngle = SkIntToScalar(15);
        SkScalar kd = SkIntToScalar(2);
        SkScalar surfaceScale = SkIntToScalar(1);
        SkColor white(0xFFFFFFFF);
        SkMatrix resizeMatrix;
        resizeMatrix.setScale(RESIZE_FACTOR, RESIZE_FACTOR);
 
        sk_sp<SkImageFilter> filters[] = {
                SkImageFilters::Blur(SkIntToScalar(4), SkIntToScalar(4), nullptr),
                SkImageFilters::DropShadow(5, 10, 3, 3, SK_ColorYELLOW, nullptr),
                SkImageFilters::DisplacementMap(SkColorChannel::kR,
                                                SkColorChannel::kR,
                                                12,
                                                std::move(gradient),
                                                checkerboard),
                SkImageFilters::Dilate(1, 1, checkerboard),
                SkImageFilters::Erode(1, 1, checkerboard),
                SkImageFilters::Offset(SkIntToScalar(32), 0, nullptr),
                SkImageFilters::MatrixTransform(resizeMatrix, SkSamplingOptions(), nullptr),
                SkImageFilters::Shader(SkShaders::MakeFractalNoise(
                        SkDoubleToScalar(0.1), SkDoubleToScalar(0.05), 1, 0)),
                SkImageFilters::PointLitDiffuse(pointLocation, white, surfaceScale, kd, nullptr),
                SkImageFilters::SpotLitDiffuse(spotLocation,
                                               spotTarget,
                                               spotExponent,
                                               cutoffAngle,
                                               white,
                                               surfaceScale,
                                               kd,
                                               nullptr),
        };
 
        SkVector scales[] = {
            SkVector::Make(SkScalarInvert(2), SkScalarInvert(2)),
            SkVector::Make(SkIntToScalar(1), SkIntToScalar(1)),
            SkVector::Make(SkIntToScalar(1), SkIntToScalar(2)),
            SkVector::Make(SkIntToScalar(2), SkIntToScalar(1)),
            SkVector::Make(SkIntToScalar(2), SkIntToScalar(2)),
        };
 
        SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64));
        SkScalar margin = SkIntToScalar(16);
        SkRect bounds = r;
        bounds.outset(margin, margin);
 
        for (size_t j = 0; j < std::size(scales); ++j) {
            canvas->save();
            for (size_t i = 0; i < std::size(filters); ++i) {
                SkPaint paint;
                paint.setColor(SK_ColorBLUE);
                paint.setImageFilter(filters[i]);
                paint.setAntiAlias(true);
                canvas->save();
                canvas->scale(scales[j].fX, scales[j].fY);
                canvas->clipRect(r);
                if (5 == i) {
                    canvas->translate(SkIntToScalar(-32), 0);
                } else if (6 == i) {
                    canvas->scale(SkScalarInvert(RESIZE_FACTOR),
                                  SkScalarInvert(RESIZE_FACTOR));
                }
                canvas->drawCircle(r.centerX(), r.centerY(), r.width()*2/5, paint);
                canvas->restore();
                canvas->translate(r.width() * scales[j].fX + margin, 0);
            }
            canvas->restore();
            canvas->translate(0, r.height() * scales[j].fY + margin);
        }
    }

onOnceBeforeDraw()

void skiagm::ImageFiltersScaledGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 68 of file imagefiltersscaled.cpp.

                                     {
        fCheckerboard = ToolUtils::create_checkerboard_image(64, 64, 0xFFA0A0A0, 0xFF404040, 8);
        fGradientCircle = make_gradient_circle(64, 64);
    }

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The documentation for this class was generated from the following file:

• third_party/skia/gm/imagefiltersscaled.cpp